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. 2012 Feb 7;23(2):332–338. doi: 10.1093/cercor/bhs014

Table 1.

Nonparametric group analysis

Baseline Sleep deprivation Sleep recovery Friedman’s ANOVA
9:00 AM 3:00 PM 9:00 PM 3:00 PM 3:00 PM χ2(4) P
Amplitude (μV) 2.43 ± 0.65 3.58 ± 0.99 4.12 ± 0.98 6.52 ± 1.30 3.62 ± 0.68 19.03 <0.0008
Slope (μV/ms) 0.32 ± 0.11 0.37 ± 0.11 0.4 3± 0.13 0.56 ± 0.14 0.40 ± 0.10 18.53 <0.001
Theta power (μV2) 1.01 ± 0.32 1.11 ± 0.45 1.06 ± 0.35 1.65 ± 0.62 1.17 ± 0.41 10.24 <0.037

Note: Data are mean ± SD.